When I wore it for seven hours in wind-driven rain, the jacket only started absorbing water after the fourth hour.

The shields must be worn for 24 hours straight and then every night for a few days.

Wearing a wet swimsuit for many hours may also keep the genital area warm and moist.

When you come up, you've got nearly three days of de-compression, with wearing an oxygen mask for sixteen hours each day.

The wrap (not a traditional method), is worn for 3 to 6 hours, or sometimes overnight and then removed.

They wore the monitors for 24 hours while they went about their daily routines.

And patients are advised to wear the electrodes for at least 18 hours.

It should not be worn for more than 30 hours in a row.

Pumps are generally worn for 8 hours or for a full working shift.